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SANTA CLARA, CA - SEPTEMBER 10: K'Waun Williams #24 of the San Francisco 49ers chases Christian McCaffrey #22 of the Carolina Panthers during the game at Levi's Stadium on September 10, 2017 in Santa Clara, California. The Panthers defeated the 49ers 23-3. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)

SANTA CLARA, CA - SEPTEMBER 10: K'Waun Williams #24 of the San Francisco 49ers chases Christian McCaffrey #22 of the Carolina Panthers during the game at Levi's Stadium on September 10, 2017 in Santa Clara, California. The Panthers defeated the 49ers 23-3. (Photo by Michael Zagaris/San Francisco 49ers/Getty Images)